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Finding the Fourth Proportional to 9,358.48, 13,969.13 and 8,251.24

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Solution

The fourth proportional to 9,358.48, 13,969.13 and 8,251.24 is: 12,316.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,358.48 : 13,969.13 = 8,251.24 : x
  2. Step 2: Convert to fraction form
    9,358.48/13,969.13 = 8,251.24/x
  3. Step 3: Cross multiply
    9,358.48x = 13,969.13 × 8,251.24
  4. Step 4: Simplify right side
    9,358.48x = 115,262,644.22
  5. Step 5: Solve for x
    x = 115,262,644.22/9,358.48
  6. Step 6: Final answer
    x = 12,316.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.